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Which of the following integers are multiples of both 2 and

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Which of the following integers are multiples of both 2 and [#permalink] New post 05 Jan 2017, 01:52
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Which of the following integers are multiples of both 2 and 3 ?

Indicate all such integers

A) 8

B) 9

C) 12

D) 18

E) 21

F) 36

[Reveal] Spoiler: OA
C, D, F

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Re: Which of the following integers are multiples of both 2 and [#permalink] New post 09 Jan 2017, 13:43
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Explanation

You can first identify the multiples of 2, which are 8, 12, 18 and 36, and then among the multiples of 2 identify the multiples of 3, which are 12, 18 and 36. Alternatively, if you realize that every number that is a multiple of 2 and 3 is also a multiple of 6, you can identify the choices that are multiples of 6. The correct answer consists of Choices C (12), D (18) and F (36).
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Re: Which of the following integers are multiples of both 2 and [#permalink] New post 15 Oct 2017, 16:21
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Carcass wrote:


Which of the following integers are multiples of both 2 and 3 ?

Indicate all such integers

A) 8

B) 9

C) 12

D) 18

E) 21

F) 36

[Reveal] Spoiler: OA
3,4 and 6


In other words, we're looking for numbers that are divisible by 2 AND divisible by 3
This is the textbook requirement for a number that is divisible by 6

So, we're looking for numbers that are divisible by 6

Check the answer choices.
The number that are divisible by 6 are: 12, 18 and 36

Answer:
[Reveal] Spoiler:
C, D, F


Cheers,
Brent
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Re: Which of the following integers are multiples of both 2 and   [#permalink] 15 Oct 2017, 16:21
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Which of the following integers are multiples of both 2 and

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